题目

(2019·浙江高考)________ you can imagine, the trip is no piece of cake. 答案：As 句意：正如你能想象的，这趟骑行之旅并不容易。此处引导非限制性定语从句，在从句中作宾语位于句首，故用as引导。 Not until the train pulled into the next station _______ her suitcase gone. A. Mary had found                    B. had Mary found? C. did Mary find                             D. Mary found